Botsuraku Reijou nano ni Dai 2 Ouji ni Kyuukonsaretemasu

Duke's daughter, Cecil, has lost everything - her parents, her title, even her place of residence. With nowhere to go, waiting for dawn in the cold, she heard a "Please marry me." - It was the second prince, Luis, who held out his hand to Cecil, even though they had only exchanged words once when he was young. And yet, the look in his eyes when she says "I love you" is too kind...?